Aiyer Kartik, Doyle Lucinda E
Department of Biochemical Engineering and Biotechnology, Indian Institute of Technology Delhi, G5WV+9H9, Hauz Khas, New Delhi, Delhi 110016, India.
Department of Biochemical Engineering and Biotechnology, Indian Institute of Technology Delhi, G5WV+9H9, Hauz Khas, New Delhi, Delhi 110016, India.
Trends Biotechnol. 2022 May;40(5):564-575. doi: 10.1016/j.tibtech.2021.10.002. Epub 2021 Oct 22.
Recently several non-traditional electroactive microorganisms have been discovered. These can be considered weak electricigens; microorganisms that typically rely on soluble electron acceptors and donors in their lifecycle but are also capable of extracellular electron transfer (EET), resulting in either a low, unreliable, or otherwise unexpected current. These unanticipated electroactive microorganisms represent a new chapter in electromicrobiology and have important medical, environmental, and biotechnological relevance. As such, it is essential to continue the momentum of their discovery. However, their study poses unique challenges due to their low current output. Capturing their signal necessitates novel approaches including unconventional electrode choice, the use of sensitive electrochemical techniques, and modifications of conventional experiments that use bioelectrochemical systems (BES).
最近发现了几种非传统的电活性微生物。这些可被视为弱电生物；这类微生物在其生命周期中通常依赖可溶性电子受体和供体，但也能够进行细胞外电子转移（EET），从而产生微弱、不可靠或其他意外的电流。这些意外的电活性微生物代表了电微生物学的新篇章，具有重要的医学、环境和生物技术意义。因此，继续推动对它们的发现至关重要。然而，由于它们的电流输出较低，对其进行研究面临着独特的挑战。捕获它们的信号需要采用新颖的方法，包括选择非常规电极、使用灵敏的电化学技术以及对使用生物电化学系统（BES）的传统实验进行改进。
